linux-kernel - Re: [PATCH] fbcon: trivial optimization for fbcon

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Date:	Wed, 8 Jan 2014 11:48:16 +0200
From:	Tomi Valkeinen <tomi.valkeinen@...com>
To:	Wang YanQing <udknight@...il.com>
CC:	<plagnioj@...osoft.com>, <airlied@...hat.com>,
	<gregkh@...uxfoundation.org>, <akpm@...ux-foundation.org>,
	<kamal@...nce.com>, <linux-fbdev@...r.kernel.org>,
	<linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] fbcon: trivial optimization for fbcon_exit

On 2013-12-27 04:39, Wang YanQing wrote:
> Break out as soon as we find a mapped entry con2fb_map.
> 
> Signed-off-by: Wang YanQing <udknight@...il.com>
> ---
>  drivers/video/console/fbcon.c | 4 +++-
>  1 file changed, 3 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/video/console/fbcon.c b/drivers/video/console/fbcon.c
> index cd8a802..f39931f 100644
> --- a/drivers/video/console/fbcon.c
> +++ b/drivers/video/console/fbcon.c
> @@ -3547,8 +3547,10 @@ static void fbcon_exit(void)
>  			"no"));
>  
>  		for (j = first_fb_vc; j <= last_fb_vc; j++) {
> -			if (con2fb_map[j] == i)
> +			if (con2fb_map[j] == i) {
>  				mapped = 1;
> +				break;
> +			}
>  		}
>  
>  		if (mapped) {
> 

Thanks, queued for 3.14.

 Tomi



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